Gearshift knob



FIG. 1 is a front elevation view of a gearshift knob showing my new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a perspective view thereof; and,

FIG. 6 is a top plan view thereof. 

CLAIM I claim the ornamental design for a gearshift knob, as shown and described. 